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Oligohymenophorea (formerly Nassophorea): Peniculida: Frontoniidae

Frontonia vernalis
Ehrenberg, 1833

Frontonia vernalis Genus: Postoral kineties usually to left of oral poykinetids (Illustrated Guide, 1985). Left edge is more curved than right edge; cytopharynx with numerous strong fibrils; ectoplasm with numerous fusiform trichocysts; macronucleus oval; one to several micronulei (Kudo, 1966).

Frontonia vernalis, cell body 310 μm long, 154 μm wide, L/W=2.0, x 100, x 200, x 400, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Frontonia Frontonia Frontonia
x 200, x 400
Frontonia Frontonia

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